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综合评价各种不同的解堵技术，对于指导油田生产，保证稳产高产有重要作用。油田解堵技术的评价中，存在许多模糊因素。用模糊数学的方法处理有关问题更为合理。这里用模糊综合评判的数学方法，对大庆油田南四——八区七种解堵技术的实际应用效果进行综合评价。结果表明：对于该油区目前生产阶段，热化学（Ⅱ）技术、低伤害缓速酸技术属最好类型；超声波技术和高频水力振荡技术次之；热化学（Ⅰ）技术、复合酸技术、高能气体压裂技术再次之
Comprehensive evaluation of a variety of plugging technology, to guide the oilfield production, to ensure stable and high yield has an important role. There are many ambiguities in the evaluation of oilfield plugging technology. It is more reasonable to deal with the related problems by fuzzy mathematics. In this paper, fuzzy comprehensive evaluation of mathematical methods, the Daqing Oilfield Nan 4 - eight districts of the seven kinds of plugging technology practical application of a comprehensive evaluation. The results show that thermochemical (Ⅱ) technology and low-harm retarding acid technology belong to the best type in the current production stage of this oil region; ultrasonic technology and high-frequency water-power oscillation technology are the second best; thermochemical (Ⅰ) , High-energy gas fracturing technology again